Method
1. Wash the fish. Coat the fish with turmeric powder and salt. Keep it aside and let it marinate for 15 minutes.
2. Make a paste of mustard and turmeric powder with some water.
3. Heat a pan with 2-3 tblsp of mustard oil. Put ½ tblsp of Kalonji (onion Seeds) and 2 green chillies.
4. Add the paste and stir for a minute. Next add the fishes.
5. Pour 2 cups of water. Cover and let it cook for about 10-15 minutes. (You can also pressure cook for 2 whistles.)
6. Let the gravy thicken.
7. Drizzle 1 tbsp of mustard oil and 2-3 green chillies. Serve with steamed rice.